Captain Underpants Revolting Revenge of Radioactive Robo-Boxers Alan Gratz Improved sound effects and lights

Improved sound effects and lights flash faster each time the button is pushed

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Captain Underpants Revolting Revenge of Radioactive Robo-Boxers Alan Gratz Improved sound effects and lightsCheck out this Captain Underpants and the Revolting Revenge of the Radioactive Robo Boxers #10 (Color Edition) (Paperback)! Maziply Toys is the premier authorized retailer of Scholastic products in the United States. Great for Scholastic fans. Perfect for ages 7 and up. In their last adventure, George and Harold were turned into evil zombie nerds doomed to roam a devastated, post apocalyptic planet for all eternity. But why didn't the amazing Captain